Mailto URLsHere are some mailto samples that include subjects. The inclusion of a subject in a mailto URL is not part of the specification, and will cause errors if used with browsers that do not support this extension. Popular browsers that support this extension include Netscape Navigator and Internet Explorer version 4. Popular browsers that do not support it are Internet Explorer, version 3 and below.
Information Request. In some browsers, this should show up with a To, CC, BCC, Subject, and message body.
Information Request. This request includes a TITLE attribute. Some browser uses information provided by this attribute to fill in the subject. Does yours?
Using a mailto URL with the onClick event on an input button in a form works even with Internet Explorer version 3.
This example uses an onClick in an Anchor tag
Mailto may also be used in the ACTION for a form. Set the ENCTYPE to "text/plain" if you do this.